I will show the configuration items to use the Gateway GSM/SIP Portech MV-372 with a PBX Avaya Ip Office 500 using a Sip Trunk.
Portech MV-372
Route -> Mobile To LAN
Create a route with:
Item: 0
CID: *
URL: <Ip Address of Avaya Ip Office>
Route -> LAN to Mobile
Create a route with:
Item: 0
URL: <Ip Address of Avaya Ip Office>
CALL NUM: #
